Please help me if You know

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?

If the tip varies directly with the number of guest which equation represents between the tip,t, and the number of guest,g?

Given: ab ≅ bc and ao ≅ oc ok − angle bisector of ∠boc find: m∠aok